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Posted June 26. 2013 12:29PM

UNH scientist uses NASA satellites to find explosive growth in height of Earth cities

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As the world's population grows, cities are expanding both upwards and outwards. That's according to scientists who are the first to use remote-sensing data to look at changes in the vertical structure of cities. "Almost all previous studies have focused on how cities are expanding outwards, mostly because other sources of remote-sensing data are not able to capture the vertical and volume dimensions of urban growth," Steve Frolking from the University of New Hampshire